After the screen turns off, airplane mode on in the selected time.After the screen lights up, if there is no Wi-Fi connection when unlocked, remove the airplane mode.

In the data, such as SIM-only MVNO, measures cell standby.

AuthorityAre used to change the airplane mode change general settings of the systemI have to use to connect to the Wi-Fi access point changes state WI-FIAre used to check on and off of the Wi-Fi status display WI-FII have a view of the state of Wi-Fi use the network to verify connection in

Operation checkGalaxy NexusELUGA V P-06D

After android 4.2, it does not work because you can not change the airplane mode from the application by changing the android system.